外文翻譯---三星s3c2442b 32位精簡(jiǎn)指令應(yīng)用處理器用戶手冊(cè)

1、<p><b>　　英文資料</b></p><p>　　S3C2442B 32-BIT RISC APPLICATION PROCESSOR</p><p>　　USER’S MANUAL</p><p>　　INTRODUCTION </p><p>　　This user’s manual describ

2、es SAMSUNG's SC32442B 16/32-bit RISC microprocessor. SAMSUNG’s SC32442B is designed to provide hand-held devices and general applications with low-power, and high-performance micro-controller solution in small die si

3、ze. To reduce total system cost, the SC32442B includes the following components. </p><p>　　The SC32442B is developed with ARM920T core, 0.13um CMOS standard cells and a memory complier. Its low-power, simple

4、, elegant and fully static design is particularly suitable for cost- and power-sensitive applications. It adopts a new bus architecture known as Advanced Micro controller Bus Architecture (AMBA). </p><p>　　T

5、he SC32442B offers outstanding features with its CPU core, a 16/32-bit ARM920T RISC processor designed by Advanced RISC Machines, Ltd. The ARM920T implements MMU, AMBA BUS, and Harvard cache architecture with separate 16

6、KB instruction and 16KB data caches, each with an 8-word line length. </p><p>　　By providing a complete set of common system peripherals, the SC32442B minimizes overall system costs and eliminates the need t

7、o configure additional components. The integrated on-chip functions that are described in this document include: </p><p>　　◆ Around 400MHz@1.5V arm and 1.5V internal, 300MHz@1.35V arm and 1.35V internal, 1.8

8、Vmemory, 3.3V external I/O microprocessor with 16KB I-Cache/16KB D-Cache/MMU </p><p>　　◆ External memory controller (SDRAM Control and Chip Select logic) </p><p>　　◆ LCD controller (up to 4K col

9、or STN and 256K color TFT) with LCD-dedicated DMA </p><p>　　◆ 4-ch DMA controllers with external request pins </p><p>　　◆ 3-ch UARTs (IrDA1.0, 64-Byte Tx FIFO, and 64-Byte Rx FIFO) </p>

10、<p>　　◆ 2-ch SPls </p><p>　　◆ IIC bus interface (multi-master support) </p><p>　　◆ IIS Audio CODEC interface </p><p>　　◆ SD Host interface version 1.0 & MMC Protocol versi

11、on 2.11 compatible </p><p>　　◆ 2-ch USB Host controller / 1-ch USB Device controller (ver 1.1) </p><p>　　◆ 4-ch PWM timers / 1-ch Internal timer / Watch Dog Timer </p><p>　　◆ 8-ch

12、10-bit ADC and Touch screen interface </p><p>　　◆ RTC with calendar function </p><p>　　◆ Camera interface (Max. 4096 x 4096 pixels input support. 2048 x 2048 pixel input support for scaling) <

13、;/p><p>　　◆ 130 General Purpose I/O ports / 24-ch external interrupt source </p><p>　　◆ Power control: Normal, Slow, Idle, stop and Sleep mode </p><p>　　◆ On-chip clock generator with

14、PLL </p><p><b>　　FEATURES</b></p><p>　　◆ Architecture </p><p>　　? Integrated system for hand-held devices and general embedded applications. </p><p>　　? 16/

15、32-Bit RISC architecture and powerful instruction set with ARM920T CPU core. </p><p>　　? Enhanced ARM architecture MMU to support WinCE, EPOC 32 and Linux. </p><p>　　? Instruction cache, data ca

16、che, write buffer and Physical address TAG RAM to reduce the effect of main memory bandwidth and latency on performance. </p><p>　　? ARM920T CPU core supports the ARM debug architecture. </p><p>

17、;　　? Internal Advanced Microcontroller Bus Architecture (AMBA) (AMBA2.0, AHB/APB). </p><p>　　◆ System Manager </p><p>　　? Little/Big Endian support. </p><p>　　? Support Fast bus mod

18、e and Asynchronous bus mode. </p><p>　　? Address space: 128M bytes for each bank (total 1G bytes). </p><p>　　? Supports programmable 8/16/32-bit data bus width for each bank. </p><p&g

19、t;　　? Fixed bank start address from bank 0 to bank 6. </p><p>　　? Programmable bank start address and bank size for bank 7. </p><p>　　? Eight memory banks:– Six memory banks for ROM, SRAM, – Two

20、 memory banks for ROM/SRAM/ Synchronous DRAM. </p><p>　　? Complete Programmable access cycles for all memory banks. </p><p>　　? Supports external wait signals to expand the bus cycle. </p>

21、<p>　　? Supports self-refresh mode in SDRAM for power-down. </p><p>　　? Supports various types of ROM for booting (NOR/NAND Flash, EEPROM, and others). </p><p>　　◆ NAND Flash Boot Loader

22、</p><p>　　? Supports booting from NAND flash memory. </p><p>　　? 4KB internal buffer for booting. </p><p>　　? Supports storage memory for NAND flash memory after booting. </p>

23、<p>　　? Supports Advanced NAND flash </p><p>　　◆ Cache Memory </p><p>　　? 64-way set-associative cache with I-Cache (16KB) and D-Cache (16KB). </p><p>　　? 8words length per l

24、ine with one valid bit and two dirty bits per line. </p><p>　　? Pseudo random or round robin replacement algorithm. </p><p>　　? Write-through or write-back cache operation to update the main mem

25、ory. </p><p>　　? The write buffer can hold 16 words of data and four addresses. </p><p>　　◆ Clock & Power Manager </p><p>　　? On-chip MPLL and UPLL: UPLL generates the clock to

26、operate USB Host/Device. MPLL generates the clock to operate MCU at maximum 400MHz@1.5V arm and 1.5V internal, 300MHz@1.35V arm and 1.35V internal,. </p><p>　　? Clock can be fed selectively to each function

27、block by software. </p><p>　　— Power mode: Normal, Slow, Idle, Deep-stop and Sleep mode </p><p>　　— Normal mode: Normal operating mode</p><p>　　— Slow mode: Low frequency clock with

28、out PLL </p><p>　　— Idle mode: The clock for only CPU is stopped. </p><p>　　— Stop mode: All clocks are stopped. </p><p>　　— Deep-Stop mode: Arm power off internal clocks are stoppe

29、d. </p><p>　　— Sleep mode: The Core power including all peripherals is shut down. </p><p>　　? Woken up by EINT[15:0] or RTC alarm interrupt from Sleep mode ◆ Stacked Memory </p><p>

30、　　? 256Mbit or 512Mbit mSDR x32, VDD=1.8V </p><p>　　? 512Mbit or 1Gbit Nand Flash x8, VDD=1.8V </p><p>　　◆ Interrupt controller</p><p>　　? 59 Interrupt sources (One Watch dog timer,

31、 5 timers, 9 UARTs, 24 external interrupts, 4 DMA, 2 RTC, 2 ADC, 1 IIC, 2 SPI, 1 SDI, 2 USB, 1 LCD, 1 Battery Fault, 1 NAND and 2 Camera) </p><p>　　? Level/Edge mode on external interrupt source </p>

32、<p>　　? Programmable polarity of edge and level </p><p>　　? Supports Fast Interrupt request (FIQ) for very urgent interrupt request </p><p>　　◆ Timer with Pulse Width Modulation (PWM) </

33、p><p>　　? 4-ch 16-bit Timer with PWM / 1-ch 16-bit internal timer with DMA-based or interrupt-based operation </p><p>　　? Programmable duty cycle, frequency, and polarity </p><p>　　? D

34、ead-zone generation </p><p>　　? Supports external clock sources </p><p>　　◆ RTC (Real Time Clock) </p><p>　　? Full clock feature: msec, second, minute, hour, date, day, month, and y

35、ear </p><p>　　? 32.768 KHz operation </p><p>　　? Alarm interrupt </p><p>　　? Time tick interrupt </p><p>　　? RTC Low Battery Check </p><p>　　◆ General Pur

36、pose Input/Output Ports </p><p>　　? 24 external interrupt ports </p><p>　　? 130 Multiplexed input/output ports </p><p>　　◆ DMA Controller </p><p>　　? 4-ch DMA controlle

37、r </p><p>　　? Supports memory to memory, IO to memory, memory to IO, and IO to IO transfers </p><p>　　? Burst transfer mode to enhance the transfer rate </p><p>　　◆ LCD Controller S

38、TN LCD Displays Feature </p><p>　　? Supports 3 types of STN LCD panels: 4-bit dual scan, 4-bit single scan, 8-bit single scan display type </p><p>　　? Supports monochrome mode, 4 gray levels, 16

39、 gray levels, 256 colors and 4096 colors for STN LCD </p><p>　　? Supports multiple screen size </p><p>　　— Typical actual screen size: 640x480, 320x240, 160x160, and others. </p><p>

40、;　　— Maximum frame buffer size is 4 Mbytes. </p><p>　　— Maximum virtual screen size in 256 color mode: 4096x1024, 2048x2048, 1024x4096 and others </p><p>　　◆ TFT(Thin Film Transistor) Color Disp

41、lays Feature </p><p>　　? Supports 1, 2, 4 or 8 bpp (bit-per-pixel) palette color displays for color TFT </p><p>　　? Supports 16, 24 bpp non-palette true-color displays for color TFT </p>

42、<p>　　? Supports maximum 16M color TFT at 24 bpp mode </p><p>　　? LPC3600 Timing controller embedded for LTS350Q1-PD1/2(SAMSUNG 3.5” Portrait / 256K-color/ Reflective a-Si TFT LCD) </p><p>

43、　　? LCC3600 Timing controller embedded for LTS350Q1-PE1/2(SAMSUNG 3.5” Portrait / 256K-color/ Transflective a-Si TFT LCD) </p><p>　　? Supports multiple screen size </p><p>　　— Typical actual scr

44、een size: 640x480, 320x240, 160x160, and others. — Maximum frame buffer size is 4Mbytes. </p><p>　　— Maximum virtual screen size in 64K color mode : 2048x1024, and others </p><p><b>　　◆ U

45、ART </b></p><p>　　? 3-channel UART with DMA-based or interrupt-based operation </p><p>　　? Supports 5-bit, 6-bit, 7-bit, or 8-bit serial data transmit/receive (Tx/Rx) </p><p>

46、　　? Supports external clocks for the UART operation (UEXTCLK) </p><p>　　? Programmable baud rate </p><p>　　? Supports IrDA 1.0 </p><p>　　? Loopback mode for testing </p><

47、p>　　? Each channel has internal 64-byte Tx FIFO and 64-byte Rx FIFO. </p><p>　　◆ A/D Converter & Touch Screen Interface </p><p>　　? 8-ch multiplexed ADC </p><p>　　? Max. 500K

48、SPS and 10-bit Resolution </p><p>　　? Internal FET for direct Touch screen interface </p><p>　　◆ Watchdog Timer </p><p>　　? 16-bit Watchdog Timer </p><p>　　? Interrupt

49、request or system reset at time-out </p><p>　　◆ IIC-Bus Interface </p><p>　　? 1-ch Multi-Master IIC-Bus </p><p>　　? Serial, 8-bit oriented and bi-directional data transfers can be m

50、ade at up to 100 Kbit/s in Standard mode or up to 400 Kbit/s in Fast mode. </p><p>　　◆ IIS-Bus Interface </p><p>　　? 1-ch IIS-bus for audio interface with DMA-based operation </p><p&g

51、t;　　? Serial, 8-/16-bit per channel data transfers </p><p>　　? 128 Bytes (64-Byte + 64-Byte) FIFO for Tx/Rx </p><p>　　? Supports IIS format and MSB-justified data format </p><p>　　◆

52、 USB Host </p><p>　　? 2-port USB Host </p><p>　　? Complies with OHCI Rev. 1.0 </p><p>　　? Compatible with USB Specification version 1.1 </p><p>　　◆ USB Device </p>

53、;<p>　　? 1-port USB Device </p><p>　　? 5 Endpoints for USB Device </p><p>　　? Compatible with USB Specification version 1.1 </p><p>　　◆ SD Host Interface </p><p>

54、;　　? Normal, Interrupt and DMA data transfer mode(byte, halfword, word transfer) </p><p>　　? DMA burst4 access support(only word transfer) </p><p>　　? Compatible with SD Memory Card Protocol ver

55、sion 1.0 </p><p>　　? Compatible with SDIO Card Protocol version 1.0 </p><p>　　? 64 Bytes FIFO for Tx/Rx </p><p>　　? Compatible with Multimedia Card Protocol version 2.11 </p>

56、<p>　　◆ SPI Interface </p><p>　　? Compatible with 2-ch Serial Peripheral Interface Protocol version 2.11 </p><p>　　? 2x8 bits Shift register for Tx/Rx </p><p>　　? DMA-based or

57、 interrupt-based operation </p><p>　　◆ Camera Interface </p><p>　　? ITU-R BT 601/656 8-bit mode support </p><p>　　? DZI (Digital Zoom In) capability </p><p>　　? Program

58、mable polarity of video sync signals </p><p>　　? Max. 4096 x 4096 pixels input support ( 2048 x 2048 pixel input support for scaling) </p><p>　　? Image mirror and rotation (X-axis mirror, Y-axis

59、 mirror, and 180° rotation) </p><p>　　? Camera output format (RGB 16/24-bit and YCbCr 4:2:0/4:2:2 format) </p><p>　　◆ Operating Voltage Range </p><p>　　? Core : 1.5V for 400MHz

60、, 1.35V for 300MHz </p><p>　　? Internal : 1.5V for 400MHz and 1.35V for 300MHz </p><p>　　? Memory:1.8V for 100MHz or 133MHz </p><p>　　? I/O : 3.3V / 2.5V </p><p>　　◆ Op

61、erating Frequency </p><p>　　? Fclk Up to 400MHz or 300MHz </p><p>　　? Hclk Up to 133MHz or 100MHz </p><p>　　? Pclk Up to 66MHz or 50MHz </p><p>　　◆ Package </p>

62、<p>　　? 332-FBGA </p><p>　　◆ Block Diagram</p><p>　　◆ Pin Assignments</p><p><b>　　譯文</b></p><p>　　三星S3C2442B 32位精簡(jiǎn)指令應(yīng)用處理器用戶手冊(cè)</p><p><b

63、>　　緒言</b></p><p>　　該用戶手冊(cè)描述了三星電子公司生產(chǎn)的SC32442B 16/32位精簡(jiǎn)指令結(jié)構(gòu)的微處理器。三星電子的SC32442B是設(shè)計(jì)成用于手持式設(shè)備和僅用極小的體積便為手持設(shè)備和一般類型應(yīng)用提供了低功耗、高性能微處理器解決方案。</p><p>　　◆ 外部存儲(chǔ)器控制器</p><p>　　◆ LCD控制器（）專門LCD

64、 DMA控制器</p><p>　　◆ 4通道DMA控制器關(guān)于外部請(qǐng)求管腳 </p><p>　　◆ 3通道UART（紅外1.0，64字節(jié)T FIFO，和64字節(jié)R FIFO）</p><p><b>　　◆ 2路SPI總線</b></p><p><b>　　◆ IIC總線接口</b><

65、/p><p>　　◆ IIS音頻CODEC接口</p><p>　　◆ SD主機(jī)接口1.0版本及兼容MMC2.11版本協(xié)議</p><p>　　◆ 2通道USB主機(jī)控制/1通道USB驅(qū)動(dòng)控制器 </p><p>　　◆ 4通道PWM定時(shí)器/1通道內(nèi)部定時(shí)器/看門狗定時(shí)器</p><p>　　◆ 8通道10位ADC和觸摸屏接

66、口</p><p>　　◆ RTC的日歷功能 </p><p>　　◆ 照相機(jī)接口（最大支持4096 4096像素輸入，支持2048 2048像素瀏覽輸入）</p><p>　　◆ 130個(gè)通用I/O端口和24通道外部中斷源</p><p>　　◆ 電源控制：正常模式，低速模式，空閑模式，睡眠模式</p><p>　　

67、◆ 單芯片時(shí)鐘發(fā)生器用于鎖相環(huán)</p><p><b>　　特性</b></p><p><b>　　◆ 體系結(jié)構(gòu)</b></p><p>　　? 結(jié)合系統(tǒng) 和內(nèi)嵌通用的應(yīng)用程序</p><p>　　? 16/32位RISC結(jié)構(gòu)和強(qiáng)大的指令設(shè)置ARM920T CPU core</p>

68、;<p>　　? 內(nèi)嵌ARM體系結(jié)構(gòu)MMU去支持WinCE， </p><p>　　? 指令cache、數(shù)據(jù)cache、讀寫緩沖. </p><p>　　? ARM920T內(nèi)核支持ARMdebug體系. </p><p>　　? 內(nèi)建AMBA總線結(jié)構(gòu)2.0版，包括AHB和APB兩種總線. </p><p>　　◆ S

69、ystem Manager 系統(tǒng)管理</p><p>　　? Little/Big Endian support. </p><p>　　? 支持快速總線模式和異步總線模式</p><p>　　? 地址空間：每個(gè)模塊提供128M字節(jié)（全部有1G字節(jié)）</p><p>　　? 支持每個(gè)模塊數(shù)據(jù)總線可編程8/16/32位</p&g

70、t;<p>　　? 固定模塊開始地址從0模塊到第6模塊</p><p>　　? 第7模塊的開始地址和模塊尺寸是可編程的</p><p>　　? 八個(gè)存儲(chǔ)器單元：6個(gè)存儲(chǔ)模塊采用ROM，RAM，兩個(gè)存儲(chǔ)單元用于ROM/SRAM/同步DRAM。</p><p>　　? 完善的可編程訪問周期用于所有存儲(chǔ)器單元。</p><p>

71、;　　? 支持外部等待信號(hào)去延長(zhǎng)總線周期</p><p>　　? 支持自刷新模式在SDRAM用于電源關(guān)閉時(shí)</p><p>　　? 支持多種類型的ROM用于導(dǎo)入 </p><p>　　◆ 與非（NAND）閃存導(dǎo)入設(shè)備</p><p>　　? 支持來自與非（NAND）閃存導(dǎo)入存儲(chǔ)器</p><p>　　? 4

72、KB內(nèi)部緩沖導(dǎo)入</p><p>　　? 支持存儲(chǔ)存儲(chǔ)器用于NAND閃存導(dǎo)入之后</p><p>　　? 支持高級(jí)的NAND閃存</p><p>　　◆ 高速緩沖存儲(chǔ)器</p><p>　　? 64路 高速緩存有I-Cache(16K)和D-Cache(16K) </p><p>　　? 每排8字長(zhǎng)有一個(gè)

73、有效位和兩個(gè)無效位每排 </p><p>　　? Pseudo random or round robin replacement algorithm. </p><p>　　? Write-through or write-back cache operation to update the main memory. </p><p>　　? The wr

74、ite buffer can hold 16 words of data and four addresses. </p><p>　　◆ 時(shí)鐘及電源管理</p><p>　　? 單芯片MPLL和UPLL發(fā)生器：UPLL產(chǎn)生的時(shí)鐘去供USB主機(jī)/驅(qū)動(dòng)。MPLL產(chǎn)生的時(shí)鐘去提供MCU工作，最大400MHz@1.5V </p><p>　　? 每個(gè)功能模塊可通過軟

75、件來選擇時(shí)鐘</p><p>　　— 電源模式：正常模式，低速模式，空閑模式和睡眠模式</p><p>　　— 正常模式：正常工作模式</p><p>　　— 低速模式：低時(shí)鐘頻率沒有鎖相環(huán)</p><p>　　— 空閑模式：只有CPU時(shí)鐘被關(guān)閉</p><p>　　— 關(guān)閉模式：所有的時(shí)鐘都關(guān)閉 </

76、p><p>　　— 深睡眠模式：ARM電源關(guān)閉內(nèi)部時(shí)鐘停止</p><p>　　— 睡眠模式：Core電源包括所有外圍是關(guān)閉。</p><p>　　? 啟動(dòng)通過EINT[15:0]或RTC警告中斷來喚醒睡眠模式 </p><p><b>　　◆ 堆棧存儲(chǔ)器</b></p><p>　　? 25

77、6Mbit or 512Mbit mSDR x32, VDD=1.8V 256Mbit或512Mbit mSDR x32,</p><p>　　? 512Mbit or 1Gbit Nand Flash x8, VDD=1.8V </p><p><b>　　◆ 中斷控制器</b></p><p>　　? 59個(gè)中斷源（1個(gè)是看門狗中斷源，

78、5個(gè)定時(shí)中斷源，9個(gè)串口中斷源，24個(gè)中斷源，4路DMA中斷，2個(gè)RTC中斷，2個(gè)ADC中斷，1個(gè)IIC中斷，2個(gè)SPI中斷，2USB中斷，1個(gè)SDI中斷，1個(gè)LCD中斷，1個(gè)電池檢測(cè)中斷，1個(gè)NAND中斷和2相機(jī)中斷）。 </p><p>　　? 可選電平觸發(fā)或者邊沿觸發(fā)方式的外部中斷源。 </p><p>　　? 可編程邊沿觸發(fā)或電平觸發(fā)優(yōu)先級(jí)。 </p><p

79、>　　? 支持FIQ中斷模式響應(yīng)緊急事件。 </p><p>　　◆ 脈沖調(diào)制（PWM）定時(shí)器</p><p>　　? 4通道16位定時(shí)器為PWM/每通道16位內(nèi)部定時(shí)器是基于DMA或基于中斷工作</p><p>　　? 可編程工作周期，頻率和極性</p><p><b>　　? 死區(qū)的產(chǎn)生</b><

80、;/p><p>　　? 支持外部時(shí)鐘源</p><p><b>　　◆ （實(shí)時(shí)時(shí)鐘）</b></p><p>　　? 全時(shí)鐘特性：微秒，秒，分，時(shí)，日，月，年 </p><p>　　? 32.768KHz工作頻率</p><p><b>　　? 中斷警告</b></

81、p><p><b>　　? 定時(shí)中斷應(yīng)答</b></p><p>　　? RTC電池電壓檢測(cè)</p><p>　　◆ 通用輸入/輸出端口</p><p>　　? 24個(gè)外部中斷端口</p><p>　　? 130多用途輸入/輸出端口</p><p><b>

82、　　◆ DMA控制器</b></p><p>　　? 4個(gè)通道DMA控制器</p><p>　　? 支持存儲(chǔ)器到存儲(chǔ)器，IO到存儲(chǔ)器，存儲(chǔ)器到IO，IO到IO的傳送。 </p><p>　　? 支持脈沖傳送模式提高傳送速率</p><p>　　◆ LCD控制器及STN LCD顯示特點(diǎn)</p><p&g

83、t;　　? 支持3種類型的STN LCD面板：4位掃描信號(hào)，8位掃描信號(hào)顯示模式</p><p>　　? 支持單色模式，4灰度級(jí)和16灰度級(jí)，256色和4096色用于STN LCD</p><p>　　? 支持多種屏幕尺寸</p><p>　　— 現(xiàn)有典型的屏幕尺寸：640x480,320x240,160x160等等</p><p>

84、　　— 最大緩存結(jié)構(gòu)尺寸是4M字節(jié)</p><p>　　— 最大有效屏幕尺寸，</p><p>　　◆ （細(xì)薄膜晶體管）彩色顯示器特點(diǎn)</p><p>　　? 支持每像素1，2，4或8位調(diào)色板的TFT彩色顯示器</p><p>　　? 支持16，24bpp無調(diào)色板真彩色TFT顏色顯示器。</p><p>　　?

85、 支持24bpp最大16萬TFT色彩模式</p><p>　　? LTS350Q1-PD1/2內(nèi)嵌LPC3600定時(shí)控制器</p><p>　　? LTS350Q1-PE1/2內(nèi)嵌LCC3600定時(shí)控制器</p><p>　　? 支持多種屏幕尺寸</p><p>　　現(xiàn)有典型的屏幕尺寸：640x480,320x240,160x160等

86、等。</p><p>　　— 最大緩存結(jié)構(gòu)尺寸是4M字節(jié)</p><p>　　— 最大有效屏幕尺寸64K彩色模式 </p><p><b>　　◆ 串口</b></p><p>　　? 3通道UART是基于DMA 或者基于中斷工作方式。</p><p>　　? 支持5位，6位，7位，八位

87、串行數(shù)據(jù)傳送和接收</p><p>　　? 支持外部時(shí)鐘提供UART工作</p><p><b>　　? 可編程波特率</b></p><p>　　? 支持紅外DA1.0版本</p><p>　　? 支持循環(huán)測(cè)試模式</p><p>　　? 每個(gè)通道有內(nèi)部64字節(jié)T FIFO和64字節(jié)R

88、 FIFO </p><p>　　◆ A/D轉(zhuǎn)換和觸摸屏接口</p><p>　　? 8通道多路ADC</p><p>　　? 最大500KSPS和10位</p><p>　　? 內(nèi)部FET用于直接觸摸屏接口</p><p>　　◆ Watchdog Timer 看門狗定時(shí)器</p><

89、p>　　? 位看門狗定時(shí)器</p><p>　　? 中斷請(qǐng)求或者系統(tǒng)定時(shí)復(fù)位</p><p>　　◆ IIC-Bus Interface 接口</p><p>　　? 1個(gè)通道雙主線IIC總線</p><p>　　? 串行 單向和雙向數(shù)據(jù)傳送，支持標(biāo)準(zhǔn)模式100K 或者快速模式400K</p><p&g

90、t;<b>　　◆ 接口</b></p><p>　　? 1個(gè)通道IIS用于DMA工作的音頻接口</p><p>　　? 串行，每通道 位數(shù)據(jù)傳送</p><p>　　? 128 Bytes (64-Byte + 64-Byte) FIFO for Tx/Rx </p><p>　　? 支持IIS格式和最

91、高有效位格式</p><p><b>　　◆ 主機(jī)</b></p><p>　　? 2個(gè)USB主機(jī)端口</p><p>　　? 兼容OHCI 1.0版本</p><p>　　? 兼容1.1版本USB技術(shù)規(guī)范</p><p><b>　　◆ 驅(qū)動(dòng)</b></p&

92、gt;<p>　　? 1個(gè)USB驅(qū)動(dòng)端口</p><p>　　? 5個(gè)終點(diǎn)用于USB驅(qū)動(dòng)</p><p>　　? 兼容1.1版本USB技術(shù)規(guī)范</p><p><b>　　◆ 主機(jī)接口</b></p><p>　　? 標(biāo)準(zhǔn)模式、中斷模式和DMA數(shù)據(jù)傳送模式（字節(jié)，半字、字傳送）</p>

93、<p>　　? 支持4個(gè)DMA訪問</p><p>　　? 兼容1.0版本SD存儲(chǔ)卡協(xié)議</p><p>　　? 兼容1.0版本SD IO卡協(xié)議</p><p>　　? 支持64字節(jié)快進(jìn)快出（FIFO）用于T/R </p><p>　　? 兼容2.11版本多媒體存儲(chǔ)卡協(xié)議</p><p><

94、;b>　　◆ 接口 </b></p><p>　　? 支持2.11版本的兩通道外部串行接口</p><p>　　? 移位寄存器用于 T</p><p><b>　　? 中斷 工作</b></p><p><b>　　◆ 照相機(jī)接口 </b></p><

95、p>　　? 支持ITU-R BT 601/656 8-bit mode support 模式</p><p>　　? DZI (Digital Zoom In) 性能</p><p>　　? 可編程視頻同步信號(hào)極性</p><p>　　? 支持最大輸入圖像4096 x 4096(支持掃描2048 x 20 48 像素)</p><p

96、>　　? 支持圖像鏡像和旋轉(zhuǎn)（X軸旋轉(zhuǎn)，Y軸旋轉(zhuǎn)和180°旋轉(zhuǎn)） </p><p>　　? Camera output format (RGB 16/24-bit and YCbCr 4:2:0/4:2:2 format) </p><p>　　◆ Operating Voltage Range 工作電壓范圍</p><p>　　? Core核心

97、 : 1.5V for 400MHz, 1.35V for 300MHz </p><p>　　? Internal 內(nèi)部: 1.5V for 400MHz and 1.35V for 300MHz </p><p>　　? Memory存儲(chǔ)器:1.8V for 100MHz or 133MHz </p><p>　　? I/O : 3.3V / 2.5V <

98、/p><p>　　◆ Operating Frequency 工作頻率 </p><p>　　? Fclk Up to 400MHz or 300MHz </p><p>　　? Hclk Up to 133MHz or 100MHz </p><p>　　? Pclk Up to 66MHz or 50MHz </p><